Top similar games like Overrun Protocol:

Navigate through an underground parking lot in search of four important cars. Armed with only a phone, evade the abnormals that are sent to intercept you and make it out alive.

Survive in a world devastated by infection. Explore a vast open world, scavenge abandoned towns, fight relentless hordes, and endure alone or in co-op.

Explore beyond the constant dust storm and discover the alien horrors on red wastelands. Hide from human-sized centipedes in the darkest corners and run away while being hunted by a giant blood-thirsty snake. Use your gadgets to plan ahead your next travel on the surface to avoid looming death

THE HIGHRISE is a first-person survival game set in a high-rise building that has been sealed off by an alien monster invasion. Gather resources to make fighting weapons and survival tools. You must find and send a rescue signal at the end of your desperate survival.

The Hollow Complex is an action-filled survival thriller inspired by the Backrooms. Dive into a dark and twisted rendition of internet folklore that actually allows you to fight back. Explore, scavenge, complete quests, and find a way out of a seemingly endless labyrinth.

Survive the doomed spaceship Icarus in this high-stakes social deduction horror. Repair the ship, complete secret corporate agendas, or hunt from the shadows as the Mimic; a shape-shifting terror hiding in plain sight. Who is human, and who is just wearing a face?

The Cryptobiosis Project is a first‑person horror adventure with stealth‑action and survival elements. You have to unravel the mystery of a closed scientific complex where, long ago, work was underway to create genetically modified soldiers — but something went wrong…

Astraeus Odyssey is a 1–4 player co-op sci-fi survival game where you explore alien worlds, build bases, and struggle to keep your crew alive after the fall of your home planet. You’ll manage resources, navigate hostile environments, and endure supernatural threats as you search for a new home.

A survival horror game where light is scarier than darkness. Use your radar and other tools to stay out of the light, sneak around dangers, explore the quarantined ship, and find a way to escape. But be careful, monsters are hunting you and are aware of your every mistake!

Stranded on a mysterious island overrun by dinosaurs, you must find a way to escape. Uncover the island's past, manage your resources and evade those pursuing you.

“Reality” is a first-person action horror game featuring a complex and mysterious story. Use stealth and shooting to overcome a wide variety of formidable enemies. Freely roam the grounds of a large school and uncover a shocking truth connected to a certain female student.

Experience a visually stunning solo survival horror built in Unreal Engine 5. Navigate through 17 unique levels filled with haunting environments, challenging parkour, and lurking entities. Immerse yourself in the chilling atmosphere as you fight to escape the horrors of the Backrooms

Survive a parasite-infested world where players and horrors hunt you. Scavenge, craft, and outsmart rivals for resources —the hive adapts. Will you outlast the pack, or feed the infection?

Excised is a horror stealth immersive sim where you must escape a horrific dystopian city by using traps, ambushes, stealth, mysterious powers, and environmental exploits, or brutal combat, in order to gain your freedom and unravel the mystery that set your fate into motion. Playtest/Alpha-Demo now-

An immersive FPS adventure set in a dark and surreal sci-fi world

Backrooms: Noise is a cooperative horror game for 1-4 players. Explore a dimension where even silence doesn't sound right. The world doesn't explain itself - and the more you try to understand it, the further you feel from the answers.

Backrooms: Forgotten Floors is a cooperative horror game for 1–4 players. Descend into levels no one remembers, through spaces that shouldn't exist. You're here now — and the only thing worse than being lost is being noticed.

Backrooms: Final Exam is a cooperative horror game for 1-4 players, Where you will explore this complex and intricate dimension with your friends or alone, trying to figure out what to do, wandering around and being scared by every sound, you will need to pass your final exam!

Backrooms: The True Level is a cooperative horror game for 1–4 players. Together or alone, you will explore this level trying to understand whether it is real, but can the darkness in this world be peaceful?

FORBIDDEN SIGHT is a 4-player online co-op survival and stealth horror. Survive the Human Archive Museum (H.A.M)'s security system as you steal artifacts from different eras of human history, using electromagnetic waves to navigate through your heist.

Return to Isla Nublar the day after the events of the beloved 1993 Jurassic Park film and survive thrilling first-person action as InGen scientist Dr. Maya Joshi in this single-player action-adventure game.

Mass Invasion is an open-world co-op survival horror tactical shooter where you must survive against zombie hordes and alien invaders while searching for your pregnant wife.

Backrooms: The Silence is a cooperative horror game for 1-4 players, where you have to explore and fight the game master on your own, use your own abilities to survive in this complex world, play with your friends to get the full range of emotions!

In the gripping world of VORAX survival takes on a new terrifying dimension. As you step into this Open World Survival Horror game brace yourself for a journey where every moment is a battle for survival. Every choice, every move, every breath could be your last. Are you ready to face the unknown?

LIMINAL is a challenging first-person psychological horror and survival game. You are faced with an unfamiliar environment of which, you know nothing. Your life is fragile, and your death is permanent. Think before you act, and hide before you run.

Welcome to the Overground, you are trapped in a wide valley that you need to escape from, but of course, the valley is populated by dozens of monsters that will kill you as soon as they see you.

Works of art are attacking people, turning an exhibition into a bloodbath in a single night. At the same time, you – a phantom thief – happen to be there to steal a valuable masterpiece.

While trying to survive in harsh natural conditions, use resources wisely, avoid dangers, and test your survival instincts. A realistic survival experience awaits you!